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How to undo a git pull?

...s. To the commenter ORIG_HEAD is previous state of HEAD, set by commands that have possibly dangerous behavior, to be easy to revert them. It is less useful now that Git has reflog: HEAD@{1} is roughly equivalent to ORIG_HEAD (HEAD@{1} is always last value of HEAD, ORIG_HEAD is last value of ...
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How to concatenate two numbers in javascript?

... Ok so, suposing the values 5 and 6 are in two variables: var1 = 5; var2 = 6; will it still work – Heidi Nov 12 '09 at 17:03 4 ...
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ssh remote host identification has changed

I've reinstalled my server and I am getting these messages: 28 Answers 28 ...
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Draw line in UIView

...our case (horizontal line) is to add a subview with black background color and frame [0, 200, 320, 1]. Code sample (I hope there are no errors - I wrote it without Xcode): UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 200, self.view.bounds.size.width, 1)]; lineView.backgroundColor...
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Reloading the page gives wrong GET request with AngularJS HTML5 mode

...browser has no way of knowing that this isn't a real URL, so it goes ahead and loads it. However if you have loaded up the root page first, and all the javascript code, then when you navigate to /about Angular can get in there before the browser tries to hit the server and handle it accordingly ...
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renderpartial with null model gets passed the wrong type

... Andrew I think the problem you are getting is a result of the RenderPartial method using the calling (view)'s model to the partial view when the model you pass is null.. you can get around this odd behavior by doing: <% H...
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input type=file show only button

... This answer is so simple and elegant and has worked for all browsers. – Mike.C.Ford Mar 19 '15 at 15:55 ...
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What command means “do nothing” in a conditional in Bash?

... The no-op command in shell is : (colon). if [ "$a" -ge 10 ] then : elif [ "$a" -le 5 ] then echo "1" else echo "2" fi From the bash manual: : (a colon) Do nothing beyond expanding arguments and performing redirections....
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How to git-svn clone the last n revisions from a Subversion repository?

... graph (DAG), which makes it trivial to walk back n commits. But in SVN ( and therefore in Git-SVN) you will have to find the revision number yourself. share | improve this answer | ...
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Are HTTPS URLs encrypted?

... Yes, the SSL connection is between the TCP layer and the HTTP layer. The client and server first establish a secure encrypted TCP connection (via the SSL/TLS protocol) and then the client will send the HTTP request (GET, POST, DELETE...) over that encrypted TCP connection....